ASTRO 7N Exam 1 includes accurate and
verified questions covering fundamental
astronomy concepts such as the solar system,
phases of the Moon, planetary motion,
gravity, light and telescopes, and the
historical development of astronomical
models. Desi
Two planets have the same radius. If Planet A is 5 times
more massive than Planet B, how does gravity differ on the
surfaces of the two planets?
A) gravity is 5 times stronger on Planet B
B) gravity is 5 times stronger on Planet A
C) gravity is 25 times stronger on Planet A
D) gravity is 25 times stronger on Planet B
E) gravity is equal on Planet A and Planet B - . . ANSWER
✔ ✔gravity is 5 times stronger on Planet A
If the frequency of radiation is twice as large than its
wavelength is...
A) one quarter as large
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B) twice as large
C) one hundred times as long
D) four times as large
E) half as large - . . ANSWER ✔ ✔half as large
Which would have the shortest day and the longest year?
A) A planet that rotates slowly on its axis and orbits slowly
around the Sun.
B) A planet that rotates rapidly on its axis and orbits
slowly around the Sun.
C) A planet that rotates slowly on its axis and orbits
rapidly around the Sun.
D) A planet that rotates slowly on its axis and orbits slowly
around the Sun.
E) A planet that rotates rapidly on its axis and orbits
rapidly around the Sun. - . . ANSWER ✔ ✔B) A planet that
rotates rapidly on its axis and orbits slowly around the
Sun.
Stars that are in the same constellation... - . . ANSWER ✔
✔are likely to be at very different distances from us.
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When does the New Moon rise?
midnight
noon
sunrise
never
sunset - . . ANSWER ✔ ✔sunrise
How long would one need to observe a star on a 10 meter
telescope to collect the same amount of light as one
collects in one hour on a 5 meter telescope?
15 minutes
30 minutes
4 minutes
2.5 hours
1 hour - . . ANSWER ✔ ✔15 minutes
What time of year is it dark all day (and night) at the South
pole?
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December
March
September
never
June - . . ANSWER ✔ ✔June
Compared to UV radiation, X-rays have a wavelength that
is...
longer
the same
zero
shorter
sootiness shorter and sometimes longer - . . ANSWER ✔
✔shorter
From Earth, in which constellation might you find the
planet Saturn?
Canis Major